Finding the Fourth Proportional to 74,986,035.60, 112,217,779.80 and 44,715,622.80
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Solution
The fourth proportional to 74,986,035.60, 112,217,779.80 and 44,715,622.80 is: 66,917,631.70
Step by Step Solution
- Step 1: Write the proportion equation
74,986,035.60 : 112,217,779.80 = 44,715,622.80 : x - Step 2: Convert to fraction form
74,986,035.60/112,217,779.80 = 44,715,622.80/x - Step 3: Cross multiply
74,986,035.60x = 112,217,779.80 × 44,715,622.80 - Step 4: Simplify right side
74,986,035.60x = 5,017,887,912,990,259 - Step 5: Solve for x
x = 5,017,887,912,990,259/74,986,035.60 - Step 6: Final answer
x = 66,917,631.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.